           (.drawOval g aim-x aim-y aim-w aim-h)
           (.drawLine g -2000 0 2000 0)
           (.drawLine g 0 -2000 0 2000))))
-    
+
     ; draw telemetry
     (let [{:keys [pitch roll alt]} telemetry]
       (when (and pitch roll alt)

    (.createBufferStrategy canvas 2)
    (->Frame frame canvas)))

;; 
;; =================================================================================
;; Lifecycle:
;; =================================================================================


    ; setup
    (.setRenderingHint g RenderingHints/KEY_ANTIALIASING RenderingHints/VALUE_ANTIALIAS_ON)

    ; video feed
    (if image
      (doto g
